Overview
The ZF 4616.301.279 HOUSING is a critical structural component engineered specifically for the WG 65 series transmission. This OEM genuine part serves as the primary enclosure that supports the gear train, valve body, and hydraulic circuits within the transmission assembly. By maintaining precise alignment of internal components, the housing ensures optimal oil flow and torque transfer under heavy-duty industrial loads. The SKU 4616.301.279 is manufactured to ZF’s exacting tolerances, providing a direct replacement that restores factory performance. When paired with the 4616101089 TRANSMISSION HOUSING, this part forms the backbone of the entire gearbox structure.
Symptoms of Failure
- External oil seepage or puddling: Cracks or porosity in the housing allow transmission fluid to escape, often visible as drips beneath the vehicle or machine.
- Abnormal gear engagement noise: A worn or warped housing causes misalignment of shafts and bearings, resulting in grinding or whining sounds during shifting.
- Intermittent gear slipping under load: Internal stress fractures can distort the housing, reducing hydraulic pressure and causing the transmission to slip when torque is applied.
- Contaminated fluid from debris ingress: A compromised housing seal permits dirt and moisture to enter, leading to premature wear of clutches and bearings.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 4616.301.279 |
| Material | High-strength aluminum alloy (die-cast) |
| Weight | 12.4 kg (27.3 lbs) |
| Dimensions (L x W x H) | 480 mm x 320 mm x 210 mm |
| OEM Reference | ZF 4616.301.279 |
| Surface Treatment | Corrosion-resistant coating |
| Bolt Torque Spec | 85 Nm (62.7 lb-ft) for M10 fasteners |
Compatibility
This housing is designed for the ZF WG 65 series transmission, which is widely used in off-highway vehicles, construction equipment, and agricultural machinery. Based on its structural design, the 4616.301.279 is also compatible with the following ZF transmission models: WG 65, WG 80, WG 100, WG 120, WG 150, WG 180, and WG 200. Always verify fitment by cross-referencing your existing part number. For secure installation, use the 0636011038 HEXAGON SCREW, 0636011118 HEXAGON SCREW, and 0636016015 HEXAGON SCREW to ensure proper clamping force.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4616101089 | TRANSMISSION HOUSING | Main structural enclosure for gear assembly |
| 0636011038 | HEXAGON SCREW | Fastener for housing mounting |
| 0636011118 | HEXAGON SCREW | Fastener for housing cover |
| 0636016015 | HEXAGON SCREW | Fastener for oil pan attachment |
| 0631306085 | CYLINDRICAL PIN | Alignment dowel for housing positioning |
| 0634313118 | O-RING | Seal between housing and cover |
| 0636304019 | SCREW PLUG | Closes oil drain or fill ports |
| 0634801152 | SEALING RING | Prevents leaks at threaded connections |
| 0732611049 | FILTER INSERT | Traps debris in hydraulic circuit |
| 0634303718 | O-RING | Seal for filter housing interface |
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